A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5950-01-634-0677
NSN 4140-01-414-1710
NSN 5990-00-851-5778
NSN 6645-01-238-8660
NSN 6135-01-397-6564
NSN 6320-01-356-5601
NSN 6110-00-116-5514
NSN 6130-01-251-2188
NSN 6645-01-014-0793
NSN 6105-00-384-1693
NSN 5998-01-524-9397
NSN 5930-00-349-0099